diff --git a/src/controllers/tanksController.js b/src/controllers/tanksController.js
index d8985a2f..13a12322 100644
--- a/src/controllers/tanksController.js
+++ b/src/controllers/tanksController.js
@@ -3308,10 +3308,6 @@ const monitorWaterLevels = async () => {
 
     for (const tank of tanks) {
     
-    
-//console.log(fcmTokens)
-      //console.log(`🔍 Tank: ${tank.tankName} | Water Level: ${tank.waterlevel} | FCM Tokens:`, fcmTokens);
-
       const {
         _id,
         customerId,  // Move this to the top
@@ -3336,9 +3332,13 @@ const monitorWaterLevels = async () => {
         //console.error("❌ No valid FCM tokens found for customerId:", customerId);
         continue; // Skip this tank
       }
-      const lowWaterLevel = (auto_min_percentage / 100) * capacity; // Low threshold in liters
-      const criticalLowWaterLevel = (reserved_percentage / 100) * capacity; // Critical threshold in liters
-      const currentWaterPercentage = (currentWaterLevel / capacity) * 100; // Current percentage
+      const LOW_PERCENTAGE = 20;  // 20% threshold
+      const CRITICAL_PERCENTAGE = 10; // 10% threshold
+
+      // **Calculate thresholds based on tank capacity**
+      const lowWaterLevel = (LOW_PERCENTAGE / 100) * capacity; 
+      const criticalLowWaterLevel = (CRITICAL_PERCENTAGE / 100) * capacity; 
+      const currentWaterPercentage = (currentWaterLevel / capacity) * 100; 
       // const lowWaterLevel = 9483; // Low threshold in liters
       // const criticalLowWaterLevel = 9483; 
       if (currentWaterLevel <= criticalLowWaterLevel) {